\newcommand\facingfigures{%
\vspace*{\fill}%
\centering
\includegraphics{left.eps}
\figcaption{This is on the left (even) page.}
\vspace*{\fill}\newpage\vspace*{\fill}%
\centering
\includegraphics{right.eps}
\figcaption{This is on the right (odd) page.}
\vspace*{\fill}\newpage}